:root{
  --c-primary: #064e3b;
  --c-primary-dark: #064e3b;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
/* ============================================
   滤达分离技术 EMERALDGE · 过滤与分离设备
   祖母绿 #059669 × 森绿 #064e3b × 浅绿底 #f0fbf4
   工业绿技风 · 滤网纹理 · 分子/滤层 SVG · 圆角 14px
   ============================================ */
:root{
  --emerald:#059669;
  --emerald-d:#047857;
  --forest:#064e3b;
  --bg:#f0fbf4;
  --card:#ffffff;
  --ink:#064e3b;          /* 标题 */
  --text:#4f7a66;         /* 正文 */
  --mut:#5b7c6e;          /* 次级小字 */
  --line:#d6ece0;         /* 边框 */
  --emerald-l:#a7f3d0;    /* 浅祖母绿点缀 */
  --emerald-ll:#e6f7ee;   /* 极浅绿底 */
  --sans:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background-color:var(--bg);
  /* 滤网纹理：模拟网孔 */
  background-image:
    repeating-linear-gradient(0deg, rgba(5,150,105,.045) 0 1px, transparent 1px 23px),
    repeating-linear-gradient(90deg, rgba(5,150,105,.045) 0 1px, transparent 1px 23px);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--sans);color:var(--ink);font-weight:700;letter-spacing:.5px}

/* ---------- Header ---------- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(240,251,244,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px}
.logo-txt b{display:block;font-size:20px;letter-spacing:1px;color:var(--forest);font-weight:800}
.logo-txt i{display:block;font-style:normal;font-size:10px;color:var(--emerald-d);letter-spacing:3px;font-weight:600}
.nav{display:flex;gap:4px}
.nav a{padding:9px 18px;color:var(--text);font-size:15px;border-radius:10px;transition:.25s;font-weight:600}
.nav a:hover{color:var(--emerald-d);background:var(--emerald-ll)}
.nav a.active{color:#fff;background:var(--emerald-d);font-weight:700}
.burger{display:none;background:var(--card);border:1px solid var(--line);border-radius:10px;width:44px;height:40px;font-size:20px;color:var(--emerald-d);cursor:pointer}
.burger:hover{background:var(--emerald-ll)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(120% 120% at 85% 15%, rgba(5,150,105,.12) 0%, transparent 55%),
  linear-gradient(105deg,#eafaf1 0%,#f0fbf4 60%,#e3f7ec 100%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:74px 24px 84px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--emerald);color:var(--emerald-d);border-radius:999px;padding:6px 18px;font-size:12.5px;letter-spacing:2px;margin-bottom:22px;background:#fff;font-weight:600}
.hero-tag svg{width:16px;height:16px}
.hero h1{font-size:43px;line-height:1.3;color:var(--forest);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--emerald);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(5,150,105,.16);z-index:-1;border-radius:4px}
.hero p{color:var(--text);font-size:16px;max-width:480px;margin-bottom:32px}
.btn{display:inline-block;padding:13px 34px;border-radius:14px;font-size:15px;letter-spacing:1px;transition:.25s;cursor:pointer;font-weight:700;border:none}
.btn-main{background:var(--emerald-d);color:#fff}
.btn-main:hover{background:var(--forest);transform:translateY(-2px);box-shadow:0 12px 26px rgba(4,120,87,.3)}
.btn-ghost{border:1px solid var(--emerald);color:var(--emerald-d);margin-left:12px;background:#fff}
.btn-ghost:hover{background:var(--emerald-d);color:#fff}
.hero-fig{position:relative}
.hero-fig img{width:100%;height:430px;object-fit:cover;border-radius:14px;box-shadow:0 20px 50px rgba(6,78,59,.18)}
.hero-medal{position:absolute;left:-24px;bottom:30px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--emerald);padding:14px 22px;border-radius:14px;box-shadow:0 12px 30px rgba(6,78,59,.14)}
.hero-medal b{display:block;font-size:22px;color:var(--emerald-d);font-weight:800}
.hero-medal span{font-size:12px;color:var(--mut);letter-spacing:1px}
.hero-nums{display:flex;gap:40px;margin-top:40px}
.hero-nums div b{font-size:30px;color:var(--emerald-d);font-weight:800}
.hero-nums div b i{font-style:normal;font-size:16px;color:var(--emerald-d)}
.hero-nums div span{display:block;font-size:12.5px;color:var(--mut);letter-spacing:1px;margin-top:2px}

/* ---------- 通用节标题 ---------- */
.sec{padding:84px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head i{display:block;font-style:normal;color:var(--emerald-d);font-size:13px;letter-spacing:5px;margin-bottom:10px;font-weight:700}
.sec-head h2{font-size:32px;letter-spacing:1px}
.sec-head h2::after{content:"";display:block;width:56px;height:3px;background:linear-gradient(90deg,var(--emerald),var(--emerald-l));margin:16px auto 0;border-radius:3px}
.sec-head p{color:var(--mut);margin-top:14px;font-size:14.5px}

/* ---------- 关于预览 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.about-fig{position:relative}
.about-fig img{width:100%;height:410px;object-fit:cover;border-radius:14px}
.about-fig::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--emerald-l);border-radius:14px;z-index:-1}
.about-txt i{font-style:normal;color:var(--emerald-d);font-size:13px;letter-spacing:5px;font-weight:700}
.about-txt h2{font-size:30px;margin:12px 0 20px}
.about-txt p{color:var(--text);margin-bottom:14px}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 32px}
.about-feats div{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink);font-weight:600}
.about-feats svg{flex:none}

/* ---------- 产品 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:14px;transition:.3s;overflow:hidden;display:flex;flex-direction:column}
.pcard:hover{box-shadow:0 18px 40px rgba(6,78,59,.12);transform:translateY(-5px);border-color:var(--emerald)}
.pcard figure{overflow:hidden;height:235px;margin:0}
.pcard img{width:100%;height:100%;object-fit:cover;transition:.5s}
.pcard:hover img{transform:scale(1.06)}
.pcard .pbody{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.pcard .ptag{font-size:11.5px;color:var(--emerald-d);letter-spacing:2px;font-weight:700}
.pcard h3{font-size:18px;margin:6px 0 8px}
.pcard p{color:var(--text);font-size:13.5px;margin-bottom:14px;flex:1}
.pcard .plink{color:var(--emerald-d);font-size:13.5px;letter-spacing:1px;font-weight:700}
.pcard .plink::after{content:" →";transition:.2s}
.pcard:hover .plink::after{padding-left:6px}

/* ---------- 优势/服务 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px 26px;text-align:center;position:relative;transition:.3s}
.fcard:hover{border-color:var(--emerald);transform:translateY(-4px);box-shadow:0 14px 32px rgba(6,78,59,.1)}
.fcard b.num{position:absolute;top:14px;right:18px;font-size:38px;color:var(--emerald-ll);font-weight:800}
.fcard .ico{width:60px;height:60px;margin:0 auto 18px;border-radius:14px;background:var(--emerald-ll);display:flex;align-items:center;justify-content:center;border:1px solid var(--emerald-l)}
.fcard h3{font-size:17px;margin-bottom:10px}
.fcard p{color:var(--text);font-size:13px}

/* ---------- 数据带 ---------- */
.band{background:linear-gradient(100deg,#064e3b 0%,#047857 100%);color:#fff;padding:58px 0}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.band b{font-size:40px;font-weight:800;color:#fff}
.band b i{font-style:normal;font-size:20px;color:var(--emerald-l);font-weight:700}
.band span{display:block;font-size:13px;color:#cdeede;letter-spacing:2px;margin-top:4px}

/* ---------- 新闻 ---------- */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ncard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.ncard:hover{box-shadow:0 16px 36px rgba(6,78,59,.1);transform:translateY(-4px);border-color:var(--emerald)}
.ncard figure{height:200px;overflow:hidden}
.ncard img{width:100%;height:100%;object-fit:cover;transition:.5s}
.ncard:hover img{transform:scale(1.05)}
.ncard .nbody{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.ncard time{font-size:12px;color:var(--emerald-d);letter-spacing:2px;font-weight:700}
.ncard h3{font-size:16.5px;margin:8px 0 10px;line-height:1.5}
.ncard:hover h3{color:var(--emerald-d)}
.ncard p{color:var(--text);font-size:13px;flex:1}

/* ---------- CTA ---------- */
.cta{background:#fff;border-top:1px solid var(--line)}
.cta .wrap{padding:64px 24px;text-align:center}
.cta h2{font-size:28px;letter-spacing:1px;margin-bottom:12px}
.cta p{color:var(--mut);margin-bottom:28px}

/* ---------- Footer ---------- */
.ftr{background:var(--forest);color:#bfe0d2;padding:64px 0 0}
.ftr .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.ftr h4{color:#fff;font-size:15px;letter-spacing:2px;margin-bottom:18px}
.ftr .logo-txt i{color:var(--emerald-l)}
.ftr .fabout p{font-size:13px;margin-top:14px;line-height:1.9;color:#bfe0d2}
.ftr ul{list-style:none}
.ftr ul li{margin-bottom:10px}
.ftr ul a{font-size:13.5px;color:#bfe0d2;transition:.2s}
.ftr ul a:hover{color:var(--emerald-l)}
.ftr .fcontact li{font-size:13.5px;margin-bottom:12px;display:flex;gap:8px;color:#bfe0d2}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center;font-size:12.5px;color:#8fc2ad}

/* ---------- 内页 page head ---------- */
.phead{background:linear-gradient(100deg,#064e3b 0%,#047857 100%);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.phead::after{content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.08) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 18px);
  border-radius:50%}
.phead h1{font-size:34px;letter-spacing:3px;color:#fff}
.phead .crumb{margin-top:12px;font-size:13px;color:#bfe0d2}
.phead .crumb a{color:var(--emerald-l)}
.phead .crumb a:hover{text-decoration:underline}

/* ---------- 关于页 ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.vcard{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--emerald);border-radius:14px;padding:36px 30px;transition:.3s}
.vcard:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(6,78,59,.1)}
.vcard .vic{width:54px;height:54px;border-radius:14px;background:var(--emerald-ll);border:1px solid var(--emerald-l);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.vcard h3{font-size:18px;margin:14px 0 10px}
.vcard p{color:var(--text);font-size:13.5px}
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:36px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--emerald-l)}
.tl-item{position:relative;padding-bottom:36px}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--emerald);border:2px solid var(--emerald-l)}
.tl-item b{color:var(--emerald-d);font-size:19px;letter-spacing:1px;font-weight:800}
.tl-item h3{font-size:16px;margin:6px 0;color:var(--ink)}
.tl-item p{color:var(--text);font-size:13.5px}

/* ---------- 产品页筛选 ---------- */
.pfilter{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:44px}
.pfilter button{border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 26px;font-size:14px;letter-spacing:1px;cursor:pointer;transition:.25s;border-radius:999px;font-family:var(--sans);font-weight:600}
.pfilter button:hover{border-color:var(--emerald);color:var(--emerald-d)}
.pfilter button.on{background:var(--emerald-d);border-color:var(--emerald-d);color:#fff}

/* ---------- 新闻页 ---------- */
.nfeat{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:44px}
.nfeat figure{height:340px;overflow:hidden;margin:0}
.nfeat img{width:100%;height:100%;object-fit:cover}
.nfeat .nfbody{padding:36px 40px 36px 8px}
.nfeat time{color:var(--emerald-d);font-size:12.5px;letter-spacing:2px;font-weight:700}
.nfeat h2{font-size:24px;margin:10px 0 14px;line-height:1.5}
.nfeat p{color:var(--text);font-size:14px;margin-bottom:20px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:40px;align-items:start}
.cinfo .icard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin-bottom:16px;display:flex;gap:16px;align-items:flex-start;transition:.25s}
.cinfo .icard:hover{border-color:var(--emerald);box-shadow:0 10px 24px rgba(6,78,59,.08)}
.cinfo .icard .ic{width:46px;height:46px;flex:none;border-radius:12px;background:var(--emerald-ll);border:1px solid var(--emerald-l);display:flex;align-items:center;justify-content:center}
.cinfo .icard b{display:block;font-size:15px;margin-bottom:4px;color:var(--ink)}
.cinfo .icard span{color:var(--text);font-size:13.5px;line-height:1.6}
.cform{background:#fff;border:1px solid var(--line);border-radius:14px;padding:38px 40px}
.cform h3{font-size:20px;margin-bottom:6px}
.cform>p{color:var(--mut);font-size:13.5px;margin-bottom:24px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cform label{display:block;margin-bottom:16px;font-size:13.5px;color:var(--ink);font-weight:600}
.cform label b{color:var(--emerald-d)}
.cform input,.cform textarea{width:100%;margin-top:7px;border:1px solid var(--line);background:var(--bg);padding:11px 14px;font-size:14px;font-family:var(--sans);color:var(--ink);border-radius:10px;outline:none;transition:.2s}
.cform input:focus,.cform textarea:focus{border-color:var(--emerald);background:#fff}
.cform textarea{resize:vertical;min-height:120px}
.form-note{display:none;margin-top:14px;padding:12px 16px;background:var(--emerald-ll);border:1px solid var(--emerald-l);color:var(--emerald-d);font-size:13.5px;border-radius:10px;font-weight:600}
.map-ph{margin-top:56px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--emerald-ll)}
.map-ph img{width:100%;height:300px;object-fit:cover;opacity:.55}
.map-ph .map-tag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,.96);border:1px solid var(--emerald-l);border-radius:14px;padding:14px 30px;text-align:center}
.map-ph .map-tag b{color:var(--emerald-d);font-size:18px;letter-spacing:2px}
.map-ph .map-tag span{display:block;font-size:12.5px;color:var(--mut);margin-top:4px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 24px;border-bottom:1px solid var(--line);border-radius:0 0 14px 14px}
  .nav.open{display:flex}
  .nav a{border-radius:8px;padding:12px 4px}
  .burger{display:block}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-fig img{height:320px}
  .about-grid,.contact-grid,.nfeat{grid-template-columns:1fr}
  .nfeat .nfbody{padding:28px 30px}
  .pgrid,.ngrid,.values{grid-template-columns:1fr 1fr}
  .flow,.hero-nums{grid-template-columns:1fr 1fr}
  .band .wrap{grid-template-columns:1fr 1fr;gap:32px}
  .ftr .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .pgrid,.ngrid,.values,.flow,.frow,.about-feats{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .hero-nums{flex-wrap:wrap;gap:24px}
  .band .wrap{grid-template-columns:1fr 1fr}
  .sec{padding:60px 0}
  .cform{padding:28px 22px}
  .hero-medal{left:0}
  .phead{padding:54px 0}
  .phead h1{font-size:27px}
}

/* ===== CMS 共享：列表 / 详情 / 分页 / 表单 ===== */
.cms-page{padding:72px 0;}
.cms-page .container{max-width:1200px;margin:0 auto;padding:0 20px;}
.cms-page .cms-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:8px;}
.cms-page .cms-subtitle{text-align:center;color:#888;margin-bottom:36px;}
.cms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;}
.cms-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(0,0,0,.07);transition:.25s;text-decoration:none;color:inherit;}
.cms-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12);}
.cms-card img{width:100%;height:200px;object-fit:cover;display:block;}
.cms-card h3{margin:0;padding:18px 18px 4px;font-size:18px;}
.cms-card p{padding:0 18px 18px;color:#777;font-size:14px;margin:0;}
.cms-detail{max-width:860px;margin:0 auto;padding:0 20px;}
.cms-detail img{max-width:100%;border-radius:14px;margin:18px 0;}
.cms-detail h1{font-size:34px;margin:10px 0 6px;}
.cms-detail .lead{color:#888;font-size:16px;}
.cms-content{line-height:1.9;color:#444;margin-top:18px;}
.cms-content img{max-width:100%;}
.cms-back{display:inline-block;margin:8px 0 18px;color:var(--c-primary,#e11d2e);text-decoration:none;font-weight:600;}
.cms-pager{margin:34px 0;text-align:center;}
.cms-pager a,.cms-pager span{padding:8px 14px;margin:0 3px;border-radius:8px;background:#fff;color:#444;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.cms-pager .active{background:var(--c-primary,#e11d2e);color:#fff;}
.contact-form{max-width:640px;margin:18px auto 0;display:grid;gap:14px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 14px;border:1px solid #e3e3e3;border-radius:10px;font-size:15px;font-family:inherit;}
.contact-form textarea{min-height:120px;resize:vertical;}
.btn-primary{background:var(--c-primary,#e11d2e);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:none;cursor:pointer;}
.form-alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;}
.form-alert-ok{background:#eafaf0;color:#1c7a43;}
.form-alert-err{background:#fdecea;color:#b42318;}
.form-alert-err ul{margin:6px 0 0;padding-left:18px;}
.ve-editable-bg{cursor:pointer;}